“Diesels are the bomb,” raves Kevin, “but there’s some things that go along with owning a diesel that you’ve got to be aware of, and some days you can get bit.” To illustrate this point, Kyle Fischer of Hot Shot’s Secret joins the guys to drop some science and offer some solutions for avoiding common pitfalls such as fuel gelling. “Diesel fuel in America sucks,” opines Fischer, adding that “we look at the problems that are caused by the fuel and how to protect these fuel systems.” Chief ingredients among these: lubricity additive, cetane booster, injector cleaner, water dispersant, rust and corrosion inhibitor, and fuel stabilizer.